linux-kernel - Re: [PATCH] [RFC] initrd/initramfs: extracted common code to init

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Message-ID: <7464d5bb-504a-20e8-ea42-821297efe502@infradead.org>
Date:   Mon, 16 Jul 2018 10:08:19 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Vasyl Vavrychuk <vvavrychuk@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [RFC] initrd/initramfs: extracted common code to
 init_rootfs.c file

On 07/16/2018 01:12 AM, Vasyl Vavrychuk wrote:
> Extracted from initramfs to common place code that sits on top of
> iniramfs and initrd and initializes one or another depending on
> configuration.
> 
> Signed-off-by: Vasyl Vavrychuk <vvavrychuk@...il.com>

Just nits here...

> ---
>  init/Makefile           |   5 +-
>  init/default_rootfs.c   |  52 ++++++++++++++++
>  init/do_mounts_initrd.c |   2 -
>  init/init_rootfs.c      | 162 ++++++++++++++++++++++++++++++++++++++++++++++++
>  init/initramfs.c        | 156 +---------------------------------------------
>  init/initramfs.h        |   4 ++
>  init/noinitramfs.c      |  52 ----------------
>  7 files changed, 222 insertions(+), 211 deletions(-)

Does this change save us anything?  More source code.  How about
object code?


>  create mode 100644 init/default_rootfs.c
>  create mode 100644 init/init_rootfs.c
>  create mode 100644 init/initramfs.h
>  delete mode 100644 init/noinitramfs.c
> 

> diff --git a/init/default_rootfs.c b/init/default_rootfs.c
> new file mode 100644
> index 0000000..f4bad84
> --- /dev/null
> +++ b/init/default_rootfs.c
> @@ -0,0 +1,52 @@
> +/*
> + * init/noinitramfs.c

wrong source file name.


> diff --git a/init/initramfs.h b/init/initramfs.h
> new file mode 100644
> index 0000000..3ecad6f
> --- /dev/null
> +++ b/init/initramfs.h
> @@ -0,0 +1,4 @@
> +// SPDX-License-Identifier: GPL-2.0
> +#include <linux/init.h>
> +
> +char * __init initramfs_unpack_to_rootfs(char *buf, unsigned long len);

Unfortunately, the format for SPDX identifiers in C header files is thus:

/* SPDX-License-Identifier: <SPDX License Expression> */

according to Documentation/process/license-rules.rst.


thanks,
-- 
~Randy